Milk bottle expiration timer



FIG. 1 is a perspective view of a milk bottle expiration timer showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is another side view thereof; and,

FIG. 6 is a top view (bottom view is mirror image) thereof.

In FIG. 1 and FIG. 2, the broken lines show an example of the display for the purpose of illustrating the milk bottle expiration timer in a condition of use. The broken lines form no part of the claimed design. 

The ornamental design for a milk bottle expiration timer, as shown and described. 